In an interview with Sam Houser, roughly, he said that they have created 18 Radio Stations worth of music that match the feeling and setting of Liberty City down to the bone, they want people to experience the game the way they intended and felt that custom soundtracks would take away from the feeling of driving around the city whilst specially picked out music to match the setting is played to get you to feel like you are there.

In an interview with Sam Houser, roughly, he said that they have created 18 Radio Stations worth of music that match the feeling and setting of Liberty City down to the bone, they want people to experience the game the way they intended and felt that custom soundtracks would take away from the feeling of driving around the city whilst specially picked out music to match the setting is played to get you to feel like you are there.